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FUEL SYSTEMS 14 - 45

 

Fig. 13 Servicing Throttle Position Sensor

(2)Connect 3 way connector at throttle position sensor.

(3)Install air cleaner.

(4)Connect negative cable to battery.

AUTOMATIC IDLE SPEED (AIS) MOTOR

The automatic idle speed (AIS) motor is mounted on the throttle body (Fig. 14).

REMOVAL

(1)Remove air cleaner.

(2)Disconnect negative cable from battery.

(3)Disconnect AIS motor connector.

(4)Remove AIS motor mounting screws (Torx head screws, 25 mm long).

(5)Remove AIS motor from throttle body housing. Ensure O-ring is with AIS (Fig. 14).

the DRB II Actuate Outputs Test, AIS MOTOR OPEN/CLOSE (battery must be connected for this operation).

(2)Install new O-ring on AIS.

(3)Install AIS motor into housing, ensuring the O-ring is in place.

(4)Tighten mounting screws to 2 NIm (20 in. lbs.) torque.

(5)Connect harness electrical connector to AIS mo-

tor.

(6)Connect negative cable to battery.

MANIFOLD ABSOLUTE PRESSURE SENSOR

The MAP sensor is mounted underhood on the dash panel (Fig. 15)

REMOVAL

(1)Remove vacuum hose and electrical connector from sensor (Fig. 15).

(2)Remove sensor mounting screws. Remove sen-

sor.

(3)Reverse the above procedure for installation. Check the vacuum hose and electrical connections to the sensor.

Fig. 14 Servicing Automatic Idle Speed (AIS) Motor

INSTALLATION

(1) Ensure that AIS motor pintle is in the retracted position. If pintle measures more than 1 inch (25 mm) as shown in Fig. 14, it must be retracted. Use

Fig. 15 Manifold Absolute Pressure (MAP) Sensor

CANISTER PURGE SOLENOID

(1)Remove vacuum hose and electrical connector from solenoid (Fig. 16).

(2)Depress tab on top of solenoid and slide the solenoid downward out of mounting bracket.

(3)Reverse the above procedure for installation.

ELECTRIC EXHAUST GAS RECIRCULATION TRANSDUCER (EET) SERVICE

REMOVAL

(1)Disconnect the electrical connector from the electronic EGR transducer solenoid (Fig. 17).

(2)Disconnect vacuum hoses.

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